电磁阀电气试验
solenoid valve electrical test
电磁气动阀
Electromagnetic aero-valve
气动电磁阀
Pneumatic solenoid valves
pneumatic electromagnetic valve
air-operated solenoid valve
三滑阀电磁阀
three-spool solenoid valve
电动气动变换器
electropneumatic transducer
electropneumatic converter
电动-气动变换器
electric to pneumatic transducer
电动气动调节器
electropneumatic regulator
电动气动调温器
electric pneumatic temperature regulator
电动气动号志系统
electropneumatic signal system
电动气动接触器
electropneumatic contactor
电动气动控制器
electropneumatic controller